{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "patch vulnerability", "arguments": ["supported platform", "issues addressed", "patch number", "vulnerable system version", "releaser", "time", "common vulnerabilities and exposures", "vulnerability", "patch", "vulnerable system"]}], "input": "Yesterday 's April 2018 Patch Tuesday updates train included a fix for CVE -2018-0950 , a vulnerability in Microsoft Outlook discovered by Will Dormann , a vulnerability analyst at the CERT Coordination Center ( CERT / CC ) ."}
{"patch vulnerability": []}